Let 1 = a1 < a2 < a3 < … < ak = n be the positive divisors of n in increasing order. For example, if n = 12, we have a1 = 1, a2 = 2, a3 = 3, a4 = 4, a5 = 6, a7 = 12. If n = (a3)3 – (a2)3, what is n?
Let 1 = a1 < a2 < a3 < … < ak = n be the positive divisors of n in increasing order. For example, if n = 12, we have a1 = 1, a2 = 2, a3 = 3, a4 = 4, a5 = 6, a7 = 12. If n = (a3)3 – (a2)3, what is n?
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.4: Prime Factors And Greatest Common Divisor
Problem 24E: Let (a,b)=1. Prove that (a,bn)=1 for all positive integers n.
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Let 1 = a1 < a2 < a3 < … < ak = n be the positive divisors of n in increasing order. For example, if n = 12, we have a1 = 1, a2 = 2, a3 = 3, a4 = 4, a5 = 6, a7 = 12.
If n = (a3)3 – (a2)3, what is n?
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